/*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package vn.student.notificationforandroid;

import static vn.student.util.CommonUtilities.EMAIL;
import static vn.student.util.CommonUtilities.NAME;
import static vn.student.util.CommonUtilities.REGID;
import static vn.student.util.CommonUtilities.SENDER_ID;
import static vn.student.util.Preferences.getValueStr;

import java.util.HashMap;
import java.util.Map;

import vn.student.message.Constants;
import vn.student.util.ServerUtilities;
import android.app.IntentService;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

import com.google.android.gcm.GCMBaseIntentService;
import com.google.android.gcm.GCMRegistrar;


/**
 * {@link IntentService} responsible for handling GCM messages.
 */
public class GCMIntentService extends GCMBaseIntentService {


    private static final String TAG = "GCMIntentService";

    public GCMIntentService() {
        super(SENDER_ID);
    }

    @Override
    protected void onRegistered(Context context, String registrationId) {
        Log.i(TAG, "Device registered: regId = " + registrationId);
        Map<String, String> param= new HashMap<String, String>();
        param.put(REGID, registrationId);    
        param.put(NAME, getValueStr(context, NAME));
        param.put(EMAIL , getValueStr(context, EMAIL));
        ServerUtilities.register(context, param);
    }

    @Override
    protected void onUnregistered(Context context, String registrationId) {
        Log.i(TAG, "Device unregistered");
        
        if (GCMRegistrar.isRegisteredOnServer(context)) {
            ServerUtilities.unregister(context, registrationId);
        } else {
          
            Log.i(TAG, "Ignoring unregister callback");
        }
    }

    /* (non-Javadoc)
     * @see com.google.android.gcm.GCMBaseIntentService#onMessage(android.content.Context, android.content.Intent)
     */
    @Override
    protected void onMessage(Context context, Intent intent) {
        Log.i(TAG, "Received message");
        Bundle bunder=intent.getExtras();
        //lay' ve id cua msg
        String id = bunder.getString("payload"); 
        
        //truyen id cua msg vao service de lay tin
        Intent i=new Intent(Constants.CLASS_DOWNLOADSERVICEMANAGER);
        i.putExtra("id",id);
        startService(i);
        
        Log.d(TAG,"ID="+id);
        Log.d("thong tin2 ",bunder.getString("collapse_key"));
        Log.d("thong tin 3",bunder.getString("from"));
    }

    @Override
    protected void onDeletedMessages(Context context, int total) {
        Log.i(TAG, "Received deleted messages notification");
        String message = getString(R.string.gcm_deleted, total);
        //displayMessage(context, message);
        // notifies user
        generateNotification(context, message);
    }

    @Override
    public void onError(Context context, String errorId) {
        Log.i(TAG, "Received error: " + errorId);
        //displayMessage(context, getString(R.string.gcm_error, errorId));
    }

    @Override
    protected boolean onRecoverableError(Context context, String errorId) {
        // log message
        Log.i(TAG, "Received recoverable error: " + errorId);
        //displayMessage(context, getString(R.string.gcm_recoverable_error,             errorId));
        return super.onRecoverableError(context, errorId);
    }

    /**
     * Issues a notification to inform the user that server has sent a message.
     */
    private static void generateNotification(Context context, String message) {
        int icon = R.drawable.ic_launcher;
        long when = System.currentTimeMillis();
        NotificationManager notificationManager = (NotificationManager)
                context.getSystemService(Context.NOTIFICATION_SERVICE);
        Notification notification = new Notification(icon, message, when);
        String title = context.getString(R.string.app_name);
        Intent notificationIntent = new Intent(context, MainActivity.class);
        // set intent so it does not start a new activity
        notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP |
                Intent.FLAG_ACTIVITY_SINGLE_TOP);
        PendingIntent intent =
                PendingIntent.getActivity(context, 0, notificationIntent, 0);
        notification.setLatestEventInfo(context, title, message, intent);
        notification.flags |= Notification.FLAG_AUTO_CANCEL;
        notificationManager.notify(0, notification);
    }

}
